Piotr Szulczewski
Founder and CEO
Mr. Szulczewski is our founder and has served as our Chief Executive Officer since July 2010. Prior to founding the Company, Mr. Szulczewski served in various positions at Google, Inc., a technology company, including as a technical lead and senior software engineer, from April 2005 until January 2009. Mr. Szulczewski holds a B.S. in mathematics and computer science from University of Waterloo. 
Jacqueline Reses
Executive Chair
Ms. Reses was appointed Executive Chair in May 2021 and has been a member of our Board since December 2020. Previously, she served as Executive Chair of Square Financial Services LLC and Capital Lead at Square, Inc., a publicly traded financial services company which provides payments, point of sale, and cashflow management services to small businesses and consumers, from October 2015 until October 2020. From February 2016 to July 2018, Ms. Reses also served as People Lead for Square, Inc. From September 2012 to October 2015, Ms. Reses served as Chief Development Officer of Yahoo! Inc. In this role, she focused on leading partnerships, acquisitions and investments, significant corporate tax transactions, as well as human resources. Prior to Yahoo, Ms. Reses led the U.S. media group as a Partner at Apax Partners Worldwide LLP, a global private equity firm, which she joined in 2001. Ms. Reses has served on the board of directors of Affirm, Inc., a publicly traded company, since January 2021, Endeavor Group Holdings, Inc., a publicly traded company, since August 2021, Social Capital Hedosophia Holdings Corp. III since April 2020 and Pershing Square Tontine Holdings, Ltd., since July 2020, and currently serves on the board of National Public Radio and the Economic Advisory Council of the Federal Reserve Bank of San Francisco. Ms. Reses previously served on the board of directors of Alibaba Group Holding Limited and Social Capital Hedosophia Holding Corp. Ms. Reses holds a B.S. in Economics with honors from the Wharton School of the University of Pennsylvania.
Vivian Liu
Chief Financial Officer
Ms. Liu. has served as Chief Financial Officer since November 2021. She previously served as Chief Financial Officer and Senior Vice President of Shutterfly, Inc. where she played a critical role in helping Shutterfly navigate the pandemic, while transforming the business to achieve accelerated topline growth and EBITDA improvement. Prior to joining Shutterfly, Ms. Liu served as CFO and SVP at the printing and imaging solution company, Lexmark International, and had previously been VP of Finance, Enterprise BG at the global information and technology company, Huawei Technology Inc. Prior to Huawei, Ms. Liu spent eight years at Cisco Systems, Inc. where she held a number of senior finance positions. Earlier in her career, Ms. Liu held finance positions with Deloitte Financial Advisory Services, Goldman Sachs, and Deloitte & Touche LLP. She began her career at China Merchants Bank in Shanghai, China. Ms. Liu holds an M.B.A from the University of Washington and a B.A. from the Shanghai University of Finance and Economics. She is a chartered financial analyst and a certified public accountant.
Devang Shah
General Counsel and Secretary
Mr. Shah has served as our General Counsel since February 2018. From August 2010 until April 2017, Mr. Shah served in various positions at Zynga Inc., a game development company, most recently as General Counsel, Secretary and Senior Vice President. Prior to Zynga, Mr. Shah served as General Counsel and Associate General Counsel at UTStarcom, a telecommunications company, Senior Corporate Counsel at Longs Drugs Inc., and Corporate Counsel at Chiron Corporation, a biotechnology company. Mr. Shah began his career as an attorney at Skadden Arps Slate Meagher & Flom, LLP. Mr. Shah holds a B.S. in engineering from Cornell University, an M.S. in engineering from Stanford University and a J.D. from the University of California, Berkeley School of Law.
Farhang Kassaei
Chief Technology Officer
Mr. Kassaei has served as our Chief Technology Officer since July 2021. Prior to joining the Company, he served as Senior Director of Software Engineering at Google where he oversaw the development and roll-out of commerce capabilities across its core product suite, including Search and YouTube. Mr. Kassaei previously spent more than 10 years at eBay Inc. where he held multiple leadership positions, including Chief Architect for the core marketplace. Earlier in his career, he led engineering teams in companies within the manufacturing and processing, and finance industries. Mr. Kassaei holds an M.S. in Electrical and Computer Engineering from The Ohio State University and an M.B.A. from the University of California, Berkeley Haas School of Business.
Tarun Jain
Chief Product Officer
Mr. Jain has served as our Chief Product Officer since August 2021. He served as Director of Product Management at Google from 2017 to 2021. At Google, he incubated and led the development of Discovery Ads, bringing inspirational and engaging commercial ad experiences to YouTube, Gmail and Discover. Prior to joining Google, Mr. Jain played a key role driving customer growth at Flipkart through the roll out of a series of personalization and merchandising solutions. He also led the development of several innovative payment solutions to enhance business performance. Earlier in his career, Mr. Jain led product teams at Twitter and Microsoft. He holds an M.B.A. from the Indian School of Business and a B.Tech. from the Indian Institute of Technology.
Pai Liu
Vice President of Data Science
Mr. Liu has served as our Vice President of Data Science since August 2020. He previously served as our Director of Data Science since September 2019. Prior to joining the Company, Mr. Liu served as Data Science Manager at Airbnb, an online rental company, from August 2015 until August 2017 and Data Science Lead until September 2019. Earlier in his career, Mr. Liu was a research scientist at PARC, a Xerox company. Mr. Liu holds a Bachelor’s degree from Tsinghua University, a Masters in Computer Science from the University of Southern California, and a Ph.D. in Industrial and System Engineering from the University of Southern California.